OpenAI Billing for ChatGPT

io.github.mcp-dir/openai_billing-mcp

OpenAI organization usage and cost reporting through an admin API key connected by the user.

client:ChatGPT transport:streamable-http tools:9

Install OpenAI Billing in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://api.mcp.ai/p_openai_billing

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs